Sony PCWA-A200 Access Point Help File - Page 50

Functions of the Phone mode, Dialup connect and disconnect

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Functions of the Phone mode The V.90 modem, Ethernet, and Wireless external interfaces of the Access Point can all be used.  V.90 m odem : PPP Client When dial-up connecting, it automatically acquires the IP addresses from each ISP. Manual settings are not possible.  Ethernet / Wireless: DHCP Server The Access Point becomes the DHCP server for the Ethernet and the Wireless Netw ork. It functions as a bridge betw een the Ethernet side netw ork and the Wireless side netw ork. In the ex-factory settings, the IP address of the Ethernet and Wireless interface is 10.0.1.1. The IP address range allocated to the clients is 10.0.1.2 to 10.0.1.17 (for 16 clients). You can change this using the Custom Settings Utility. Functions betw een each interface  Ethernet - Wireless: The Access Point functions as a bridge. Therefore, it is possible for clients to access each other and to share files and printers betw een these tw o netw orks.  V.90 m odem - Ethernet: The Access Point functions as a NAT router. Access from the Internet side is not possible. Conversely, it is possible to access the Internet from the Ethernet client side.  V.90 m odem - Wireless: The Access Point functions as a NAT router. Access from the Internet side is not possible. Conversely, it is possible to access the Internet from the Wireless client computer. Note Connecting the Access Point in the Phone mode to an existing LAN, such as in your office, must never be done. The reason is that the Access Point acts as the DHCP server for the Ethernet so if your existing LAN already has a DHCP server, there w ill be conflicts. Refer here for details. Dialup connect and disconnect You can use the Wireless Palette to connect and disconnect the dialup. Therefore, you cannot control from the computer connected by the Ethernet. Autom atic disconnect function of the dialup The automatic disconnect function of the dialup automatically disconnects the telephone w hen there is no communication of packets over a predetermined amount of time (tw o minutes at the default setting). This function is to prevent unintentionally long connections. Hint Normally, if there is no action taken by the client (such as receiving or sending mail or brow sing the Web), there is no interaction of packets but rarely is there transmission of packets from the Internet side to a computer. There are cases in w hich if packets are being transmitted to the computer regularly, the automatic disconnection w ill not function. To prevent accidents, do not rely completely on the automatic disconnection function. When transmission is complete, it is necessary for you to disconnect the phone yourself. To Connect button The Access Point w ill not accept the connection command for approximately one minute after manually disconnecting. This is the same for other clients that are connected to the same Wireless LAN Access Point. Precautions w hen using a netw ork-based gam e Currently, w e have not confirmed the operation of softw are for netw ork-based games or chat. When connecting w ith the Phone mode, the Access Point functions as a NAT router betw een the Ethernet and Wireless sides, so w e believe that softw are such as netw ork-based games or chat cannot establish communications betw een themselves. Page 50

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Functions of the Phone mode
The V.90 modem, Ethernet, and Wireless external interfaces of the Access Point can all be used.
V.90 modem: PPP Client
When dial-up connecting, it automatically acquires the IP addresses from each ISP. Manual settings are not possible.
Ethernet / Wireless: DHCP Server
The Access Point becomes the DHCP server for the Ethernet and the Wireless Netw ork. It functions as a bridge betw een the Ethernet side netw ork and the
Wireless side netw ork.
In the ex-factory settings, the IP address of the Ethernet and Wireless interface is 10.0.1.1. The IP address range allocated to the clients is 10.0.1.2 to
10.0.1.17 (for 16 clients). You can change this using the Custom Settings Utility.
Functions between each interface
Ethernet - Wireless:
The Access Point functions as a bridge. Therefore, it is possible for clients to access each other and to share files and printers betw een these tw o
netw orks.
V.90 modem - Ethernet:
The Access Point functions as a NAT router. Access from the Internet side is not possible. Conversely, it is possible to access the Internet from the
Ethernet client side.
V.90 modem - Wireless:
The Access Point functions as a NAT router. Access from the Internet side is not possible. Conversely, it is possible to access the Internet from the
Wireless client computer.
Note
Connecting the Access Point in the Phone mode to an existing LAN, such as in your office, must never be done. The reason is that the Access Point acts as the
DHCP server for the Ethernet so if your existing LAN already has a DHCP server, there will be conflicts. Refer
here
for details.
Dialup connect and disconnect
You can use the Wireless Palette to connect and disconnect the dialup. Therefore, you cannot control from the computer connected by the Ethernet.
Automatic disconnect function of the dialup
The automatic disconnect function of the dialup automatically disconnects the telephone w hen there is no communication of packets over a predetermined amount
of time (tw o minutes at the default setting). This function is to prevent unintentionally long connections.
Hint
Normally, if there is no action taken by the client (such as receiving or sending mail or brow sing the Web), there is no interaction of packets but rarely is there
transmission of packets from the Internet side to a computer.
There are cases in w hich if packets are being transmitted to the computer regularly, the automatic disconnection w ill not function.
To prevent accidents, do not rely completely on the automatic disconnection function. When transmission is complete, it is necessary for you to disconnect the
phone yourself.
To Connect button
The Access Point w ill not accept the connection command for approximately one minute after manually disconnecting.
This is the same for other clients that are connected to the same Wireless LAN Access Point.
Precautions when using a network-based game
Currently, w e have not confirmed the operation of softw are for netw ork-based games or chat.
When connecting w ith the Phone mode, the Access Point functions as a NAT router betw een the Ethernet and Wireless sides, so w e believe that softw are such
as netw ork-based games or chat cannot establish communications betw een themselves.
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